Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
  • C07D495/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains three hetero rings
  • C07D495/14—Ortho-condensed systems
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
  • A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P11/00—Drugs for disorders of the respiratory system
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P37/00—Drugs for immunological or allergic disorders
  • A61P37/08—Antiallergic agents
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P9/00—Drugs for disorders of the cardiovascular system
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
  • C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
  • C07D495/22—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings

Definitions

• the invention relates to new acylamino-substituted hetrazepines, processes for their preparation and their use as medicaments.
• Hetrazepines with a PAF-antagonistic effect are known from various European patent applications, e.g. from European patent applications 254 245, 328 924 and 407 955. It has surprisingly been found that hetrazepines which have an acylamino group as structural element have improved pharmacological properties.
• radicals R5 in the general formula Ia are radicals of the general formula wherein R7 is hydrogen, halogen, methyl, ethyl, iso-butyl, tert-butyl, methoxy, particularly preferred is the radical R7 in the 4-position of the phenyl ring.
• the compounds of the invention can have a center of asymmetry in the diazepine ring, in the event that R2 and R3 are differently substituted.
• the mixtures of optically isomeric compounds possibly obtained in the synthesis can be separated into the individual optical isomers by forming diasteremors and also by the subsequent processes known per se, such as, for example, by crystallization or by chromatographic or enzymatic separation processes. For example, by liquid chromatographic separation, in which cellulose triacetate is used as the stationary phase.
• Alkyl generally represents an unbranched or branched hydrocarbon radical having 1 to 8 carbon atoms, which may optionally be substituted by one or more halogen atoms, preferably fluorine, which may be the same or different from one another, lower alkyl radicals representing a branched or unbranched Hydrocarbon radicals having 1 to about 4 carbon atoms are preferred.
• Halogen is understood to mean the atoms fluorine, chlorine, bromine and iodine.
• alkyl groups are methyl, ethyl, propyl, isopropyl, n-propyl, n-butyl, isobutyl, sec-butyl and tert-butyl .
• alkylene groups Z and Z n connecting the acylamino radical (R5CONR6-) are also referred to as alkyl radicals, in order to avoid misunderstandable interprepation of the term “alkylene”.
• Cycloalkyl generally represents a saturated or unsaturated cyclic hydrocarbon radical having 3 to 6 carbon atoms, which may optionally be substituted by one or more halogen atoms of a hydroxyl group, an alkyl group, preferably methyl, which may be the same or different from one another. Examples include cyclopropyl, cyclobutyl, cyclopentyl, cyclopentenyl, cyclohexyl, cyclohexenyl.
• Phenyl radicals can be substituted, for example, with one or more lower alkyl group (s), alkoxy group (s), nitro group (s), amino group (s) and / or one or more halogen atom (s) - the same or different from one another.
• aryl groups are taken to mean aromatic radicals which are optionally mono- or polysubstituted and have up to 10 carbon atoms in the ring system, such as e.g. Phenyl, pyridyl, thienyl, furyl or naphthyl, the phenyl ring being preferred.
• one or more atoms from the group halogen, one or more radicals from the group alkyl, alkoxy, amino, alkyl- and dialkylamino, hydroxy are present as substituents, whereby methyl, isobutyl, hydroxy or trifluoromethyl are preferred.
• a substituted phenyl group can, for example, also carry one or more of the substituents mentioned below: C1-C6-alkyl, C1-C6-alkoxy, halogen, amino, alkylamino, dialkylamino, CF3, C3-C6-cycloalkyl, cyano, NO2, COH, COOH , COOC1-C4-alkyl, cyclopropyl, hydroxy, SH, S-C1-C4-alkyl, hydroxymethyl.
• substituted phenyl examples include: 3-chlorophenyl, 4-chlorophenyl, 3-bromophenyl, 4-bromophenyl, 4-fluoromethyl, 2-chlorophenyl, 2-bromophenyl, 3-fluorophenyl, 2,3-dichlorophenyl, 2-methylphenyl, 4-methylphenyl, 3-ethylphenyl, 4-propylphenyl, 4-isopropylphenyl, 4-butylphenyl, 4-tert-butylphenyl, 4-iso-butylphenyl, 4-pentylphenyl, 2,4-dimethylphenyl, 2-trifluoromethylphenyl, 3-trifluoromethylphenyl, 4-trifluoromethylphenyl, 2-methoxyphenyl, 4-methoxyphenyl, 3-ethoxyphenyl, 2-propoxyphenyl, 4-butoxyphenyl, 2,4-dimethoxyphenyl, 3,4,5-trime
• alkoxy radical having 1 to 4 carbon atoms is particularly preferred.
• Examples include methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy, tert-butoxy, pentoxy, isopentoxy, hexoxy, isohexoxy, heptoxy, isoheptoxy, octoxy or isooctoxy.
• PAF shows bronchoconstriction, lowering blood pressure, triggering platelet aggregation and a pro-inflammatory effect.
• These experimentally demonstrable effects of PAF directly or indirectly indicate possible functions of this mediator in anaphylaxis, in the pathophysiology of bronchial asthma and in general in inflammation.
• PAF antagonists are needed to elucidate further pathophysiological functions of this mediator in animals and humans on the one hand and to treat pathological conditions and diseases in which PAF is involved on the other.
• Examples of the indications for a PAF antagonist are inflammatory processes in the tracheobronchial tree (e.g. acute and chronic bronchitis, bronchial asthma) or the kidney (e.g.
• glomerulonephritis or the joints (e.g. rheumatic diseases): anaphylactic conditions, Allergies and inflammations in the area of the mucous membranes (e.g. allergic rhinitis) and the skin (e.g. psoriasis) as well as shock conditions caused by sepsis, endotoxins or burns.
• Other important indications for a PAF antagonist are lesions and inflammations in the area of the gastric and intestinal mucosa, such as gastritis in general Peptic ulcer, but especially ventricular ulcer and duodenal ulcer; for the treatment of thrombosis.
• the compounds according to the invention furthermore appear to be suitable for treatment in the following indications: Obstructive pulmonary diseases, bronchial hyperreactivity; inflammatory lung diseases, such as chronic bronchitis; fibrotic pulmonary diseases, such as fibrosing alveolitis and interstital pneumonitis syndrome; gynocological disorders such as dysmennorhea, pregnancy eclampsia, pregnancy high blood pressure; Inhibition of labor pains; Cardiovascular diseases, such as polytrauma, anaphylaxis, arteriosclerosis; Diseases of defective blood vessel formation, for example defective blood vessel formation in the eyes; EPH-Gestose (edema-proteinuria hypertension); inflammatory and immunological diseases; Immunomodulation in transplantation of foreign tissues, immunomodulation in leukemia, spread of metastases, eg in bronchial neoplasia; furthermore, the compounds according to the invention prove to be cytoprotective and organoprotective, for example for neuroprotection, for example for
• PAF antagonists of the general formula I are suitable for the treatment of pathological changes in blood gas, such as respiratory acidosis, metabolic alkalosis. Alone or in combination with anticholinergics, PAF antagonists can be used to improve blood gas levels in phosphoric acid ester poisoning.
• PAF antagonists can be used alone - or in combination with immunosuppressive compounds (eg cyclosporins or FK-506) for the treatment of asthma, autoimmune diseases and transplants, not only improving the effectiveness but also reducing the Toxicity of cyclosporins or FK-506 are expected. It is also proposed to use PAF antagonists in combination with antihistamines. With regard to the definition of the antihistamines, reference is made to the content of the European patent application 345 731. It is also known that PAF antagonists can be used in combination with ⁇ 2-mimetics for the treatment of bronchial asthma. PAF-associated interactions with tissue hormone (autocoid hormones), lymphokines and other mediators are known.
• tissue hormone autocoid hormones
• lymphokines lymphokines
• PAF antagonists are also suitable for the treatment of diseases caused by reduced ⁇ -receptor stimulation in the heart or by down regulation of the ⁇ -receptors in the heart, for example for the treatment of the inadequate pumping capacity of the heart in the event of acute prognosis, for example after myocardial infarction and cardiogenic shock, or in chronic cardivascular diseases such as congestive heart failure, heart failure after myocardial infarction or ischemic cardiomyopathies.
• the PAF antagonists can e.g. can be combined with ⁇ -adrenergics, parasympatholytics, corticosteroids, antiallergics, secretolytics, antibiotics.
• TNF tumor necrosis factor
• TNF tumor necrosis factor
• Combination here also means the use of the two active ingredients in separate preparations and at a certain time interval).
• ⁇ -adrenergics a synergistic effect can be achieved, for example in broncholysis.
• immunosuppressants for example the various cyclosporins, is also very advantageous.
• Aqueous solutions which contain one of the compounds according to the invention are suitable for storing organs which are intended for transplantation.
• PAF antagonists are suitable as an additive to blood and plasma preserves.
• the new compounds can be administered topically, orally, parenterally or by inhalation.
• the compounds are present as active ingredients in conventional dosage forms, e.g. in compositions consisting essentially of an inert pharmaceutical carrier and an effective dose of the active ingredient, e.g. Tablets, dragees, capsules, wafers, powders, solutions, suspensions, inhalation aerosols, ointments, emulsions, syrups, suppositories.
• the therapeutic and prophylactic dose depends on the nature and seriousness of the disease.
• An effective dose of the compounds according to the invention is between 1 and 200, preferably between 10 and 80 mg / dose in the case of oral use, and between 0.001 and 50, preferably between 0.1 and 30 mg / dose in the case of intravenous or intramuscular use. Solutions containing 0.01 to 1.0, preferably 0.1 to 0.5% active ingredient should be used for inhalation, as well as powders and suspensions in liquefied propellants.
• the inhibition of the PAF-induced platelet aggregates can be determined using the following method.
• the citrate blood was centrifuged in plastic tubes at 150 xg ( 1200 rpm) and room temperature for 20 minutes (Heraeus Christ table centrifuge 124).
• Platelet aggregation was measured in vitro by the method of Born and Cross (1963), with an aggregation trigger (PAF) being added to the TRP with constant stirring.
• PAF aggregation trigger
• 0.8 ml TRP and 0.2 ml modified Tyrode solution were placed in 1 ml plastic cuvettes, each containing a small metal stick (stirrer, 1000 rpm).
• the test substance was added in a volume of 10 ⁇ l 2 to 3 minutes before the aggregation was triggered.
• Either DMSO and water or a dilute HCl solution were used as solvents.
• the control batches contained the corresponding volume of these solvents.
• PAF 5 x 10 ⁇ 8M; Bachem Fine Chemicals
• the modified Tyrode solution had the following composition: 136.9 mM NaCl; 2.68 mM KCl; 0.5 mM MgCl2; 1.8 mM CaCl2; 0.42 mM NaH2PO4; 5.55 mM glucose and 11.9 mM NaHCO3.
• the maximum of the first aggregation wave was used to assess substance effects.
• the aggregation value achieved under the action of the test substance was stated as% of the control value (batch).
• test substances here PAF antagonists
• radioligand [3 H] PAF for the same receptor The competing interaction of test substances (here PAF antagonists) with the known interaction of the radioligand [3 H] PAF for the same receptor is determined.
• the binding studies were carried out on vital human platelets. Blood samples from healthy donors were diluted with ACD buffer and centrifuged (15 min, 160 xg). The platelet-rich plasma is purified by chromatography on Sepharose CL-2B [for elution: HEPES buffer, pH 7.4 20 ° C.].
• the reaction was stopped by vacuum filtration.
• the filters with the platelets are mixed with scintillation fluid and the remaining radioactivity is measured in a counter.
• IC50 values ie the concentration of the test substance which displaces 50% of the radioligand - here [3 H] PAF - from the receptor
• K i values ie the concentration of the test substance which displaces 50% of the radioligand - here [3 H] PAF - from the receptor
• IC50 or Ki values are a measure of the receptor affinity of the test substance. Smaller values indicate the higher affinity.
• the compounds according to the invention can be prepared in analogy processes according to the prior art.
• hetrazepines of the general formula I according to the invention can be prepared by methods known per se.
• Synthesis method A Compounds of the general formula Ia which have a condensed nitrogen-containing heterocycle are, for example, by reaction of the correspondingly substituted acid halides - in particular acid chlorides - of the general formula II with compounds of the general formula III accessible. Analogous reactions are described, for example, in European patent application 367 110, to which reference is hereby made.
• the reaction of the reactants can, for example, in inert organic solvents - such as Dichloromethane, chloroform, in dialkyl ethers, e.g. Diethyl ether, tert-butyl methyl ether, tetrahydrofuran, acetone, methyl ethyl ketone, benzene, toluene or dimethylformamide - can be carried out, preferably in the presence of an organic or inorganic base, such as e.g. Triethylamine, pyridines, sodium hydrogen carbonate, potassium carbonate, sodium carbonate.
• inert organic solvents - such as Dichloromethane, chloroform
• dialkyl ethers e.g. Diethyl ether, tert-butyl methyl ether, tetrahydrofuran, acetone, methyl ethyl ketone, benzene, toluene or dimethylformamide
• the reaction is preferably carried out in the presence of 1,1-carbonyldiimidazole, dicyclohexylcarbodiimide or another condensation reagent.
• the compounds of general formula Ia can be prepared according to the following synthesis concept. (R4 preferably has the meaning ortho-chlorophenyl, R5 has preferably the meaning methyl)
• Aminothiophenes of the general formula IV are subjected to a condensation reaction with compounds of the general formula V under conditions known per se. which results in type VI compounds.
• reaction in a two-phase reaction of an organic solvent, e.g. Toluene, benzene, xylene in the presence of a base, e.g. Alkali hydroxides, such as sodium hydroxide, potassium hydroxide or in the presence of sodium hydrogen carbonate or potassium hydrogen carbonate.
• a base e.g. Alkali hydroxides, such as sodium hydroxide, potassium hydroxide or in the presence of sodium hydrogen carbonate or potassium hydrogen carbonate.
• an inert solvent e.g. Dichloromethane, dichloroethane, tetrahydrofuran, toluene, benzene, xylene or dimethylformamide
• a base selected from the group - sodium hydroxide, potassium hydroxide, an alkali hydride, such as e.g. Sodium hydride or potassium hydride.
• the amination is carried out using gaseous ammonia.
• the reaction takes place in a temperature range between 30 ° and 100 ° C, either by direct reaction of the reactants or in the presence of an inert organic solvent such as tetrahydrofuran, dioxane, ethyl acetate, chloroform, dichloromethane, methanol, ethanol or pyridine.
• an inert organic solvent such as tetrahydrofuran, dioxane, ethyl acetate, chloroform, dichloromethane, methanol, ethanol or pyridine.
• the cyclization to the diazepinone of the general formula VIII takes place according to processes known per se, e.g. in an inert solvent in the presence of an acid catalyst, e.g. Acetic acid or silica gel with azeotropic removal of the water formed during the cyclization.
• an acid catalyst e.g. Acetic acid or silica gel with azeotropic removal of the water formed during the cyclization.
• the conversion into the Thion IX is done with phosphorus pentasulfide using conventional methods.
• This reaction stage includes the construction of the fused triazolo or imidazolo residue.
• a compound of general formula IX can be reacted with an acid halide, or with hydrazine and then with an acid halide (preferably an acid chloride), or with an orthoester (R1-C (OCH3) 3).
• the reaction of the thione with an acid halide is carried out in an inert organic solvent such as dioxane, dimethylformamide, tetrahydrofuran or a suitable hydrocarbon such as benzene or toluene at temperatures between room temperature and the boiling point of the reaction mixture.
• an inert organic solvent such as dioxane, dimethylformamide, tetrahydrofuran or a suitable hydrocarbon such as benzene or toluene
• reaction of thion IX with hydrazine takes place in inert organic solvents, such as, for example, tetrahydrofuran, dioxane, halogenated hydrocarbons, such as, for example, Methylene chloride or in suitable hydrocarbons, at temperatures between room temperature and the boiling point of the reaction mixture.
• inert organic solvents such as, for example, tetrahydrofuran, dioxane, halogenated hydrocarbons, such as, for example, Methylene chloride or in suitable hydrocarbons
• the further reaction with an acid halide IX or an orthoester takes place in an inert organic solvent, such as e.g. halogenated hydrocarbons, cyclic or open-chain aliphatic ethers, but can also be carried out directly in bulk.
• an inert organic solvent such as e.g. halogenated hydrocarbons, cyclic or open-chain aliphatic ethers, but can also be carried out directly in bulk.
• the end product IA is isolated by known methods, for example by crystallization.
• the protective group is split off by hydrolysis according to methods known per se, e.g. by heating in the presence of potassium hydroxide, sodium hydroxide, sodium ethanolate, sodium methoxide, potassium ethanolate, sodium methoxide, sodium ethanolate or potassium methoxide.
• Synthesis method B Compounds of the general formula I, in which A is one of the radicals can mean in analogy processes by reacting the suitable amines of the formula I with A. with reactive acid derivatives - in particular acid halides of the formula R5CO-halogen - are obtained. The reaction can be carried out in inert organic solvents at elevated temperature.
• diazepine is used in the NaBH4 system /tert.- butanol / methanol heated to reflux for a total of 4 - 6 hours, the completeness of the reduction was checked by thin layer chromatography (silica gel, eluent methylene chloride / methanol (9: 1), the alcohol formed was recrystallized from acetone, then in dichloromethane with methanesulfonic acid chloride / triethylamine is converted into the corresponding mesylate, which is reacted with methylamine within a reaction time of 3 hours at 120 ° C.
• the intermediate compound is then reacted in a pyridine / dioxane mixture with 4-chloro-benzoyl chloride and the reaction product is purified by means of flash chromatography on silica gel with dichloromethane / methanol (9: 1) as the eluent.
• the title compound is obtained as a light yellow amorphous powder in 65% yield.
• Substance B 10.0 mg Cornstarch 57.0 mg Milk sugar 48.0 mg Polyvinyl pyrrolidone 4.0 mg Magnesium stearate 1.0 mg 120.0 mg ⁇
• Substance B 5.0 mg Cornstarch 41.5 mg Milk sugar 30.0 mg Polyvinyl pyrrolidone 3.0 mg Magnesium stearate 0.5 mg 80.0 mg ⁇
• the active ingredient, corn starch, milk sugar and polyvinylpyrrolidone are mixed well and moistened with water.
• the moist mass is pressed through a sieve with a 1 mm mesh size, dried at approx. 45 ° C and then the granules are passed through the same sieve.
• curved tablet cores with a diameter of 6 mm are pressed on a tabletting machine.
• the dragee cores thus produced are coated in a known manner with a layer consisting essentially of sugar and talc.
• the finished dragées are polished with wax. Dragé weight: 130 mg
• Substance B 50.0 mg Calcium phosphate 70.0 mg Milk sugar 40.0 mg Cornstarch 35.0 mg Polyvinyl pyrrolidone 3.5 mg Magnesium stearate 1.5 mg 200.0 mg ⁇
• Substance B calcium phosphate, milk sugar and corn starch are moistened evenly with an aqueous polyvinylpyrrolidone solution.
• the mass is passed through a sieve with a mesh size of 2 mm, dried in a forced-air drying cabinet at 50 ° C. and sieved again. After the lubricant has been mixed in, the granules are pressed on a tabletting machine.
• composition Substance B 50.0 mg Cornstarch 268.5 mg Magnesium stearate 1.5 mg 320.0 mg ⁇
• Substance B and corn starch are mixed and moistened with water.
• the moist mass is sieved and dried.
• the dry granules are sieved and mixed with magnesium stearate.
• the final mixture is filled into size 1 hard gelatin capsules.
• Substance B 50 mg Adeps solidus 1,650 mg 1,700 mg ⁇
• the hard fat is melted.
• the ground active substance is homogeneously dispersed at 40 ° C. It is cooled to 38 ° C and poured into weakly pre-cooled suppository molds.
• Substance B 50 mg Hydroxyethyl cellulose 50 mg Sorbic acid 5 mg Sorbitol 70% 600 mg Glycerin 200 mg Aroma 15 mg Water ad 5 ml
• Distilled water is heated to 70 ° C. Hydroxyethyl cellulose is dissolved therein with stirring. After adding sorbitol solution and glycerol, the mixture is cooled to room temperature. Sorbic acid, aroma and substance B are added at room temperature. Evacuation is carried out with stirring to vent the suspension.
• PAF antagonists according to the invention can be incorporated into the usual pharmaceutical preparations in the dosages suitable for them.

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• 1991
  • 1991-03-08 DE DE4107521A patent/DE4107521A1/de not_active Withdrawn
• 1992
  • 1992-03-05 EP EP92103739A patent/EP0503471A1/fr not_active Withdrawn
  • 1992-03-06 CA CA002062456A patent/CA2062456A1/fr not_active Abandoned
  • 1992-03-06 JP JP4048930A patent/JPH0565288A/ja active Pending
  • 1992-07-21 TW TW081105744A patent/TW214552B/zh active
• 1994
  • 1994-12-05 US US08/350,196 patent/US5753647A/en not_active Expired - Fee Related

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